*** old/src/cpu/x86/vm/c1_CodeStubs_x86.cpp	Thu Nov 25 07:05:55 2010
--- new/src/cpu/x86/vm/c1_CodeStubs_x86.cpp	Thu Nov 25 07:05:55 2010

*** 481,491 ****
--- 481,491 ----
    __ bind(_entry);
    assert(pre_val()->is_register(), "Precondition.");
  
    Register pre_val_reg = pre_val()->as_register();
  
!   ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*unaligned*/, false /*wide*/);
  
    __ cmpptr(pre_val_reg, (int32_t) NULL_WORD);
    __ jcc(Assembler::equal, _continuation);
    ce->store_parameter(pre_val()->as_register(), 0);
    __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_pre_barrier_slow_id)));